Home / 289,533,421,048.63-434,362,958,964.80-88,069,920,111.91

Finding the Fourth Proportional to 289,533,421,048.63, 434,362,958,964.80 and 88,069,920,111.91

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Solution

The fourth proportional to 289,533,421,048.63, 434,362,958,964.80 and 88,069,920,111.91 is: 132,123,990,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,533,421,048.63 : 434,362,958,964.80 = 88,069,920,111.91 : x
  2. Step 2: Convert to fraction form
    289,533,421,048.63/434,362,958,964.80 = 88,069,920,111.91/x
  3. Step 3: Cross multiply
    289,533,421,048.63x = 434,362,958,964.80 × 88,069,920,111.91
  4. Step 4: Simplify right side
    289,533,421,048.63x = 38,254,311,095,602,774,016,000
  5. Step 5: Solve for x
    x = 38,254,311,095,602,774,016,000/289,533,421,048.63
  6. Step 6: Final answer
    x = 132,123,990,926.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.