Home / 137,386,036.86-205,910,220.81-63,509,886.88

Finding the Fourth Proportional to 137,386,036.86, 205,910,220.81 and 63,509,886.88

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Solution

The fourth proportional to 137,386,036.86, 205,910,220.81 and 63,509,886.88 is: 95,186,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,386,036.86 : 205,910,220.81 = 63,509,886.88 : x
  2. Step 2: Convert to fraction form
    137,386,036.86/205,910,220.81 = 63,509,886.88/x
  3. Step 3: Cross multiply
    137,386,036.86x = 205,910,220.81 × 63,509,886.88
  4. Step 4: Simplify right side
    137,386,036.86x = 13,077,334,830,444,748
  5. Step 5: Solve for x
    x = 13,077,334,830,444,748/137,386,036.86
  6. Step 6: Final answer
    x = 95,186,782.65

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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.