Home / 195,153,981.49-292,699,561.29-56,947,139.78

Finding the Fourth Proportional to 195,153,981.49, 292,699,561.29 and 56,947,139.78

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Solution

The fourth proportional to 195,153,981.49, 292,699,561.29 and 56,947,139.78 is: 85,411,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,153,981.49 : 292,699,561.29 = 56,947,139.78 : x
  2. Step 2: Convert to fraction form
    195,153,981.49/292,699,561.29 = 56,947,139.78/x
  3. Step 3: Cross multiply
    195,153,981.49x = 292,699,561.29 × 56,947,139.78
  4. Step 4: Simplify right side
    195,153,981.49x = 16,668,402,830,326,308
  5. Step 5: Solve for x
    x = 16,668,402,830,326,308/195,153,981.49
  6. Step 6: Final answer
    x = 85,411,543.76

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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.