Home / 91,290,312-136,943,438.40-23,133,006.18

Finding the Fourth Proportional to 91,290,312, 136,943,438.40 and 23,133,006.18

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Solution

The fourth proportional to 91,290,312, 136,943,438.40 and 23,133,006.18 is: 34,701,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,290,312 : 136,943,438.40 = 23,133,006.18 : x
  2. Step 2: Convert to fraction form
    91,290,312/136,943,438.40 = 23,133,006.18/x
  3. Step 3: Cross multiply
    91,290,312x = 136,943,438.40 × 23,133,006.18
  4. Step 4: Simplify right side
    91,290,312x = 3,167,913,406,817,649.50
  5. Step 5: Solve for x
    x = 3,167,913,406,817,649.50/91,290,312
  6. Step 6: Final answer
    x = 34,701,528.97

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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.